Characters: Colonies are massive, encrusting or columnar. Corallites are shallow giving colonies a smooth surface.
Colour: Cream, green, brown or mottled.
Similar species: Porites lichen, which has a similar growth-form but has larger corallites and is usually bright yellowish-green in colour. See also P. desilveri.
Habitat: Semi-protected shallow reef or terrigenous rock substrates.
Abundance: Common in subtropical localities, rare in the tropics.
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